//分别暴露
export let a = 123;
export function b(params) {
  console.log("export");
}

//统一暴露
let c = 456;
function d(params) {
  console.log("exportdddddd");
}
export { c, d };

//默认暴露
export default {
  e: 678,
  f: function (params) {
    console.log("exportffffffffff");
  },
};
